<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>testPost</title>
</head>
<body>

<!-- 这里的这个action属性是什么意思呢 -->
<form action="postParameter" method="POST">
    <input type="text" name="userId">
    <input type="text" name="classId">
    <input type="submit" value="提交">

</form>


</body>
</html>

